package com.cwz.core.result;

import com.cwz.core.constant.HttpStatus;
import lombok.Data;

import java.io.Serializable;

/**
 * @program: w-demo
 * @description: 响应信息主体
 * @author: Wen
 **/
@Data
public class R<T> implements Serializable {
	private static final long serialVersionUID = 1L;

	private int code;

	private String msg;

	private T data;

	/**
	 * @Description: 返回成功消息
	 * @Author: Wen
	 * @return: com.cwz.core.result.R<T>
	 **/
	public static <T> R<T> ok() {
		return restResult(null, HttpStatus.SUCCESS, null);
	}

	public static <T> R<T> ok(String msg) {
		return restResult(null, HttpStatus.SUCCESS, msg);
	}

	public static <T> R<T> ok(T data) {
		return restResult(data, HttpStatus.SUCCESS, null);
	}

	public static <T> R<T> ok(T data, String msg) {
		return restResult(data, HttpStatus.SUCCESS, msg);
	}

	/**
	 * @Description: 返回错误消息
	 * @Author: Wen
	 * @return: com.cwz.core.result.R<T>
	 **/
	public static <T> R<T> fail() {
		return restResult(null, HttpStatus.ERROR, null);
	}

	public static <T> R<T> fail(String msg) {
		return restResult(null, HttpStatus.ERROR, msg);
	}

	public static <T> R<T> fail(T data) {
		return restResult(data, HttpStatus.ERROR, null);
	}

	public static <T> R<T> fail(T data, String msg) {
		return restResult(data, HttpStatus.ERROR, msg);
	}

	public static <T> R<T> fail(int code, String msg) {
		return restResult(null, code, msg);
	}

	/**
	 * @Description: 返回警告信息
	 * @Author: Wen
	 * @return: com.cwz.core.result.R<T>
	 **/
	public static <T> R<T> warn() {
		return restResult(null, HttpStatus.WARN, null);
	}

	public static <T> R<T> warn(String msg) {
		return restResult(null, HttpStatus.WARN, msg);
	}


	private static <T> R<T> restResult(T data, int code, String msg) {
		R<T> apiResult = new R<>();
		apiResult.setCode(code);
		apiResult.setData(data);
		apiResult.setMsg(msg);
		return apiResult;
	}

	public static <T> Boolean isError(R<T> ret) {
		return !isSuccess(ret);
	}

	public static <T> Boolean isSuccess(R<T> ret) {
		return HttpStatus.SUCCESS == ret.getCode();
	}


}
